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1404431741 is a prime number
BaseRepresentation
bin101001110110101…
…1110110101111101
310121212200112011102
41103231132311331
510334013303431
6351205502445
746542321116
oct12355366575
93555615142
101404431741
11660846399
12332411a25
13194c709cb
14d474720d
158346cdcb
hex53b5ed7d

1404431741 has 2 divisors, whose sum is σ = 1404431742. Its totient is φ = 1404431740.

The previous prime is 1404431713. The next prime is 1404431747. The reversal of 1404431741 is 1471344041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1366854841 + 37576900 = 36971^2 + 6130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1404431741 - 214 = 1404415357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404431747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702215870 + 702215871.

It is an arithmetic number, because the mean of its divisors is an integer number (702215871).

Almost surely, 21404431741 is an apocalyptic number.

It is an amenable number.

1404431741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404431741 is an equidigital number, since it uses as much as digits as its factorization.

1404431741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1404431741 is about 37475.7487049959. The cubic root of 1404431741 is about 1119.8681129246.

Adding to 1404431741 its reverse (1471344041), we get a palindrome (2875775782).

The spelling of 1404431741 in words is "one billion, four hundred four million, four hundred thirty-one thousand, seven hundred forty-one".